Summative Diagnosis:
Cardiovascular phenotypes: Persistant truncus arteriosis (PTA), double outlet right ventricle (DORV) with pulmonary atresia (Tetralogy of Fallol DORV subtype), atrioventricular septal defect (AVSD), DORV with subaortic ventricular septal defect (VSD).

Noncardiovascular phenotype: Hydrops, hypoplastic thymus, hydronephrosis, and craniofacial defects including short snout and micrognathia.

Fyler Codes
The Fyler code developed by The Boston Children's Heart Foundation in Boston Children's Hospital provides a hierarchical clinical diagnosis of congenital cardiovascular defects and other disorders. These codes are used to delineate pathology in the mutant mouse models that parallel human disease and can be cross referenced to the International Pediatric and Congenital Cardiac Code (IPCCC) (http://www.ipccc.net/).

Fyler Codes	Code Description
500	Truncus arteriosus
600	Double outlet right ventricle
1000	Pulmonary atresia congenital
1050	Tetralogy of Fallot
1100	Atrioventricular canal (endocardial cushion defect)
1300	Ventricular septal defect
4163	Micrognathia
4502	Hydronephrosis
4610	DiGeorge syndrome
4906	Non-cardiac abnormality